import java.util.Scanner;

/**
 * 小红的等腰三角形
 */
public class Main {
    public static void main(String[] args) {
//        Scanner in = new Scanner(System.in);
//        int a = in.nextInt();
//        int h = in.nextInt();
//        double l = a + Math.pow(h * h * 4 + a * a, 0.5);
//        System.out.printf("%.2f", l);
        String a = "999";
        int b = 1;
        System.out.println(a + b);
    }
}